First functional prototype
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Carlos
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20501
cachep2p.min.js
vendored
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20501
cachep2p.min.js
vendored
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173
index.js
173
index.js
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@ -1,4 +1,175 @@
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module.exports = CacheP2P
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var WebTorrent = require('webtorrent');
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var sha = require('simple-sha1')
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var client = new WebTorrent()
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var Buffer = require('safe-buffer').Buffer
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var Buffer = require('safe-buffer').Buffer
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var debug = require('debug')('all')
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var EventEmitter = require('events').EventEmitter
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var inherits = require('inherits')
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var link_lists = {}
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var history_initialized = false
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inherits(CacheP2P, EventEmitter)
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function CacheP2P(opts){
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var self = this
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if (!(self instanceof CacheP2P)) return new CacheP2P(opts)
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EventEmitter.call(self)
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self.emit("message", "Initializing CacheP2P...")
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window.onpopstate = function(to) {
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console.log('onpopstate called', to)
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}
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self.announceList = [
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[ 'udp://tracker.openbittorrent.com:80' ],
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[ 'udp://tracker.internetwarriors.net:1337' ],
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[ 'udp://tracker.leechers-paradise.org:6969' ],
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[ 'udp://tracker.coppersurfer.tk:6969' ],
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[ 'udp://exodus.desync.com:6969' ],
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[ 'wss://tracker.btorrent.xyz' ],
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[ 'wss://tracker.openwebtorrent.com' ],
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]
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function onTorrent (torrent) {
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torrent.files.forEach(function (file) {
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file.getBuffer(function (err, b) {
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if (err) return log(err.message)
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// debug(b)
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// debug(b.toString('utf8'))
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var got_page = JSON.parse(b.toString('utf8'))
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// self.emit('message', "Got cached version of "+got_page.url+" from web peer, modifying link to point to cache.")
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link_lists[got_page.url].content = got_page.page
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link_lists[got_page.url].title = got_page.title
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link_lists[got_page.url].url = got_page.url
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var link_to_page = link_lists[got_page.url].orig
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self.emit('success', "Got cache for '" +link_to_page.text+"', it will not be requested to the Server when clicked on it.")
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link_to_page.onclick = function(event){
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event.preventDefault();
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if(!history_initialized){
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window.history.pushState({page: document.documentElement.innerHTML, title: document.title},"", window.location.href);
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}
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document.documentElement.innerHTML = link_lists[event.target.href].content
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document.title = '* '+link_lists[event.target.href].title
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window.scrollTo(0, 0);
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window.history.pushState({page: got_page.page, title: got_page.title},"", got_page.url);
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}
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window.onpopstate = function(to) {
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document.documentElement.innerHTML = to.state.page
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document.title = '* '+to.state.title
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window.scrollTo(0, 0);
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var this_page_links = document.getElementsByTagName('a')
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for(var i = 0; i < this_page_links.length ; i++){
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if(Object.keys(link_lists).indexOf(this_page_links[i].href) > -1){
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this_page_links[i].onclick = function(event){
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event.preventDefault();
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document.documentElement.innerHTML = link_lists[event.target.href].content
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document.title = '* '+link_lists[event.target.href].title
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window.history.pushState({page: link_lists[event.target.href].content, title: link_lists[event.target.href].title},"", event.target.href);
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}
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}
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}
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}
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})
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})
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}
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setTimeout(function(){
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var this_page_links = document.getElementsByTagName('a')
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self.emit('message', "Searching this page for links *://"+document.domain + "/* to optimize.")
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for(var i = 0; i < this_page_links.length ; i++){
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if(this_page_links[i].href && this_page_links[i].href.length !== window.location.href.length && this_page_links[i].href.indexOf(window.location.href+'#') == -1 && this_page_links[i].href.indexOf(window.location.href) > -1){
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if(!link_lists[this_page_links[i].href]){
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link_lists[this_page_links[i].href] = {}
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}
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link_lists[this_page_links[i].href].orig = this_page_links[i]
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self.emit('message', "Found '"+this_page_links[i].text + "' link and it's in the same domain, so it can be optimized with CacheP2P.")
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self.emit('message', "Please tell a friend to open this site's "+this_page_links[i].text+" to see CacheP2P in action.")
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sha(this_page_links[i].href, function(result){
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var magnet = 'magnet:?xt=urn:btih:'+result+'&dn=Unnamed+Torrent+1476541118022&tr=udp%3A%2F%2Fexodus.desync.com%3A6969&tr=udp%3A%2F%2Ftracker.coppersurfer.tk%3A6969&tr=udp%3A%2F%2Ftracker.internetwarriors.net%3A1337&tr=udp%3A%2F%2Ftracker.leechers-paradise.org%3A6969&tr=udp%3A%2F%2Ftracker.openbittorrent.com%3A80&tr=wss%3A%2F%2Ftracker.openwebtorrent.com'
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torrent = client.add(magnet, onTorrent)
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torrent.on('done', function (info) {
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self.emit('webtorrent', 'Cache received')
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})
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torrent.on('download', function (bytes) {
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self.emit('webtorrent', 'Receiving ('+bytes+' bytes)')
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})
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torrent.on('wire', function (wire) {
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console.log('wire', wire)
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self.emit('webtorrent', 'Peer '+wire.peerId+' ('+wire.remoteAddress+') is connected over '+wire.type+'.')
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})
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})
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}
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}
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self.emit('message', "Waiting for other people that are browing this same website...")
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// var links = document.getElementsByTagName('link')
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// var pageCssCache = ""
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// for(i = 0; i < links.length; i++){
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// if(links[i].rel.indexOf('stylesheet') > -1){
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// cssRules = links[i].sheet.cssRules
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// if(cssRules){
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// for(r = 0; r < cssRules.length ; r++){
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// pageCssCache = pageCssCache + cssRules[r].cssText
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// }
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// }
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// }
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// }
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// var styles = document.getElementsByTagName('style')
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// for(i = 0; i < styles.length; i++){
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// cssRules = styles[i].innerHTML
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// pageCssCache = pageCssCache + cssRules
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// }
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var message = {
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location_href: window.location.href.split('#')[0],
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content: document.documentElement.innerHTML,
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// css: pageCssCache,
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command: 'page_loaded',
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}
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var mergedPage = message.content
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//mergedPage = mergedPage // + '<style type="text/css">'+message.css+'</style>'
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sha(message.location_href, function (hash) {
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sha(mergedPage, function (page_hash) {
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var payload = {date: new Date(), page: mergedPage, page_hash: page_hash, url: message.location_href, title: document.title}
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var buffer_payload = Buffer.from(JSON.stringify(payload), 'utf8')
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debug('>> url hash:', hash, 'for', message.location_href)
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var torrent = client.seed(buffer_payload,{forced_id: hash, announceList: self.announceList}, function(torrent){
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// add_to_list(torrent, message.location_href)
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debug(torrent.magnetURI)
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torrent.on('upload', function (bytes) {
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self.emit('webtorrent', 'Sending this page to peer ('+bytes+' bytes)')
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})
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torrent.on('wire', function (wire) {
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console.log('wire', wire)
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self.emit('webtorrent', 'Peer '+wire.peerId+' connected ('+wire.remoteAddress+') over '+wire.type+'.')
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})
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// document.title = document.title
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});
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})
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})
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}, 100)
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}
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document.CacheP2P = new CacheP2P()
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client.on('error', function(err){
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document.CacheP2P.emit('webtorrent', err)
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})
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@ -23,6 +23,7 @@
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},
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"devDependencies": {
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"browserify": "^13.0.1",
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"debug": "^2.2.0",
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"uglifyjs": "^2.4.10"
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},
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"engines": {
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